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Interview:
On the second disc, when "Behind the Magic" is highlighted, press the right arrow and a crown will appear. Press enter, and you will get a brief interview with the first assistant director.
Reported by: BET

Behind the Scenes:
On the second disc, when "Behind the Magic" is highlighted, go down to "Previsualizing Narnia", press the right arrow and a griffin will appear. Press enter, and you will get a one-minute clip of previs and actual filming the charge through Aslan's How.
Reported by: BET

Behind the Scenes:
On the second disc, when "Behind the Magic" is highlighted, go down to "Talking Animals And Walking Trees: The Magical World of Narnia" and press the right arrow. Although no symbol will appear, if you press enter, you will get an 8-minute clip about Shane Rangi who played several parts throughout the movie (Bulgy Bear, attacking bear, minotaur, etc.)
Reported by: Behind the Scenes:
On the second disc, when "Behind the Magic" is highlighted, go down to "Deleted Scenes", press the right arrow twice, and crossed swords will appear. You'll get a short clip about the cast and crew's favorite snack - the toastie.
Reported by: BET

Interview:
On the second disc, when "Behind the Magic" is highlighted, go down to "Secrets of the Duel", press the right arrow and a shield will appear. Press enter, and you will get a short interview with Will Moseley, Anna Popplewell, and Georgie Henley discussing the saving of Trumpkin from drowning.
Reported by: BET

Bonus Feature: